This worked on some levels, but not on others. Having read most of the Sherlock Holmes stories, it seems to have slipped a little way from the original. Watson was more than just a chronicler there, he was the action man while Holmes provided the brains - and they missed that particular part there. However, the original Moriarty was simply a means to kill off Holmes (a bit like Armus as a means to kill of Tasha) and here we saw an attempt to fill out the character. They did that properly when they brought him back. However, as usual with holodeck stories, we have to suspend our disbelief much more than usual. Can they not just cut the power, or beam Dr Pulaski out of there? As for Pulaski herself, I can't fault Diana Muldar's acting, but she sometimes has to deal with bad writing. Possibly because of the recycled scripts, they were trying to make Data and Pulaski into a surrogate Spock and McCoy, yet it looks more as though she was just being intolerant. Believably intolerant maybe, but I'm not sure. Verdict on the episode: OK, but no more. Finally, what a wonderful model ship! Well done whoever made her.